This version introduces several new features and fixes compared to the previous stable version v0.3.9

Important Information

• This release contains a hard fork for Mainnet at block 44934656, hence everyone must update bor.
• Parallel EVM in verification has been enabled.

What's Changed

• Refactor blockstm executor by @cffls in #520
• Add ability to calculate the longest execution path in a block by @cffls in #540
• Added unit tests for MV HashMap by @pratikspatil024 in #492
• Add tx dependency to block header by @cffls in #544
• CI: Optimize devnet setup by @Raneet10 in #599
• mardizzone/pos-944: snyk and govuln integration by @marcello33 in #578
• Shivam/txpool tracing by @0xsharma in #604
• Add logs for transactions while committing a block by @JekaMas in #546
• Shivam/pos 1041 by @0xsharma in #640
• Reduce txArriveTimeout to 100ms by @builder90210 in #627
• Block stm miner dependency by @pratikspatil024 in #561
• Added flags to run heimdall as a child process by @0xKrishna in #597
• dev: chg: update PR template to include nodes audience check by @marcello33 in #641
• sonarqube integration by @marcello33 in #658
• Merge 'master' into qa by @0xsharma in #664
• Merge branch 'qa' and 'master' into develop by @0xsharma in #663
• CI: Update matic-cli branch in integration tests by @Raneet10 in #674
• internal/cli/server : fix : added triesInMemory in config by @0xsharma in #677
• Added hardfork related checks and updated existing tests by @pratikspatil024 in #666
• update requirements in README by @d10r in #681
• Added checks to RPC requests and introduced new flags to customise the parameters by @pratikspatil024 in #657
• chg : trieTimeout from 60 to 10 mins by @0xsharma in #692
• internal/cli/server : fix : added triesInMemory in config by @0xsharma in #691
• changed version from 0.3.0 to 0.3.4-beta by @pratikspatil024 in #693
• fix nil state-sync issue, increase grpc limit by @manav2401 in #695
• core, tests/bor: add more tests for state-sync validation by @manav2401 in #710
• internal/cli: add skiptrace flag for profiling by @manav2401 in #715
• Arpit/temp bor sync by @temaniarpit27 in #701
• revert "trieTimeout from 60 to 10 mins" change by @manav2401 in #720
• Arpit/add execution pool 2 by @temaniarpit27 in #719
• version change by @temaniarpit27 in #721
• Added flag in Status to wait for backend, and fixed panic issue. by @pratikspatil024 in #708
• Revert "Reduce txArriveTimeout to 100ms" by @ephess in #707
• Event based pprof by @JekaMas in #732
• consensus/bor : add : devFakeAuthor flag by @0xsharma in #697
• add check for empty lists in txpool by @JekaMas in #704
• Added 2 flags to enable parallel EVM and set the number of speculative processes by @pratikspatil024 in #727
• dev: chg: POS-1215 move sonarqube to own ci by @marcello33 in #733
• Added verbosity flag, supports log-level as well, but will remove that in future. by @pratikspatil024 in #722
• Check if block is nil to prevent panic by @dkeysil in #736
• miner: use env for tracing instead of block by @manav2401 in #728
• Add : mutex pprof profile by @0xsharma in #731
• Cherry-pick changes from develop by @manav2401 in #738
• chg : Move some info/error logs to debug by @0xsharma in #673
• Add : commit details to bor version by @0xsharma in #730
• core, params: add max code init size check in txpool by @manav2401 in #739
• Revert "Event based pprof" and update version by @manav2401 in #742
• mardizzone/hotfix-snyk: remove vcs build when running snyk by @marcello33 in #745
• Feat : SetMaxPeers by @0xsharma in #726
• internal/ethapi :: Fix : newRPCTransactionFromBlockIndex by @0xsharma in #759
• Update wiki link by @0xKrishna in #762
• Heimdall App implementation by @0xKrishna in #646
• core,eth,internal/cli,internal/ethapi: add --rpc.allow-unprotected-txs flag to allow txs to get replayed (for shadow node) by @Raneet10 in #705
• Added support for miner.recommit flag by @pratikspatil024 in #743
• interrupting commit experiment by @JekaMas in #556
• internal/cli: added missing flags by @pratikspatil024 in #744
• internal/ethapi: set rpc gas cap as default gas limit when creating access list by @Raneet10 in #791
• add : testcase for CommitInterruptExperiment by @0xsharma in #792
• dev: chg: continue on error when uploading snyk results to GH by @marcello33 in #795
• consensus/bor: revert "handle unauthorized signer in consensus.Prepare" by @Raneet10 in #797
• eth/downloader/whitelist: skip future chain validation by @manav2401 in #796
• Optimized the dependency metadata structure by @pratikspatil024 in #804
• Djpolygon/18.04 updates by @djpolygon in #811
• Merge master to qa by @manav2401 in #813
• Merge qa to develop by @manav2401 in #814
• Merge remote-tracking branch 'upstream/develop' into block-stm by @cffls in #818
• DEVOPS-822 adding in bootnode package and required service file by @djpolygon in #817
• State processor interrupt by @cffls in #819
• merge v0.3.9-alpha to qa by @marcello33 in #824
• dev: chg: version bump for v0.3.9-beta by @marcello33 in #825
• mardizzone/backport-merge-qa-to-develop by @marcello33 in #827
• consensus/bor: modify bor RPC methods by @Raneet10 in #822
• Allow parallel state processor to be interrupted by caller by @cffls in #823
• miner :: add : check to run worker commitWork by @0xsharma in #828
• Makefile, params: fix git commit usage in bor version command by @manav2401 in #835
• tests/bor :: rm : logs used for debugging issue by @0xsharma in #838
• eth/fetcher: if peers never respond, drop them by @0xsharma in #837
• Run serial and parallel processor at the same time by @cffls in #831
• core/vm, miner : Make commitInterrupt OPCODE level by @0xsharma in #794
• Make txArriveTimeout Configurable w/ CLI Flag by @thogard785 in #734
• eth/fetcher: if peers never respond, drop them (#837) by @0xsharma in #844
• dev: chg: bump version to beta-2 for v0.3.9 by @marcello33 in #845
• rm : remove interruptctx from txsCh select case by @0xsharma in #846
• dev: chg: use node-16 contracts branch by @marcello33 in #847
• rm : disable interruptCommit on txsCh select case by @0xsharma in #848
• v0.3.9-beta-3 version bump by @marcello33 in #849
• Added a script to increase the version by @pratikspatil024 in #850
• fix : go-routine leak in commitInterrupt channel by @0xsharma in #851
• beta version bump by @marcello33 in #853
• Fixed checkoint misspell (changed to checkpoint) by @pratikspatil024 in #854
• Restore log level enumerated constants by @svenski123 in #815
• Added check for circular and out-of-range dependency problem by @pratikspatil024 in #841
• backport-master-to-develop by @marcello33 in #862
• Merge block-stm to develop by @cffls in #840
• Enable parallel evm by default by @cffls in #867
• eth/protocols/eth: fix: remove cancelled request from tracker's list by @VAIBHAVJINDAL3012 in #863
• add : commitinterrupt flag to toml files by @0xsharma in #873
• internal/cli/server :: chg : default OpenCollectorEndpoint to empty string by @0xsharma in #872
• Merge master to qa by @pratikspatil024 in #878
• Merge qa to develop by @pratikspatil024 in #879
• ci: update CI config yaml by @Raneet10 in #880
• dev: add: additional elements in PR checklist by @marcello33 in #882
• DEVOPS-829 format fix for prometheus metrics by @rekibnikufesin in #881
• Keep nonce and balance in write list even if the transaction is reverted by @cffls in #889
• Implement PIP-12, Time Based StateSync Confirmations Delay by @pratikspatil024 in #864
• Disable reverted tx optimization in block-stm validation by @cffls in #891
• Added IndoreBlock for Mumbai chain by @pratikspatil024 in #892
• DEVOPS-829 format Timer as summary/histogram type by @rekibnikufesin in #893
• Updated indore block for mumbai by @pratikspatil024 in #895
• Addressing an issue with packager using any versus mumbai network nam… by @djpolygon in #902
• Added Indore block and parallel universe for mainnet by @pratikspatil024 in #913
• Updated indore block to 44934656 for mainnet by @pratikspatil024 in #916
• Merge develop (v0.4.0-beta-candidate) to master for v0.4.0 by @pratikspatil024 in #904

New Contributors

• @builder90210 made their first contribution in #627
• @d10r made their first contribution in #681
• @ephess made their first contribution in #707
• @dkeysil made their first contribution in #736
• @thogard785 made their first contribution in #734
• @svenski123 made their first contribution in #815

Full Changelog: v0.3.9...v0.4.0